Alamo MACHETE Product Service Manual page 62

INTRODUCTION:
The information in this Section of Book is re-printed with Permission of the Eaton Corp. This
Section of Book provides service information for the Servo Controlled Piston Pump P/N 02967192.
Step by Step instructions for the complete dis-assembly and re-assembly of the Pump are given. In
Most diagrams there are no Component Part Numbers Listed, Only Item numbers and Descriptions,
This is because most parts shown as break-down in drawings are for location & identification only and
are not available as replacement parts. NO Dirt at all should be around Parts during repairs.
BEFORE STARTING REPAIRS:
1. Remove Front Cover. Clean Pump and surrounding area completely before removing
any connections or Lines. NO DIRT OR DEBRIS CAN BE ALLOWED ON OR NEAR
HYDRAULIC SYTEM IF IT IS BEING WORKED ON, ANY DIRT OR CONTAMINANTS
IN SYSTEM NO MATTER HOW SMALL WILL DAMAGE SYSTEM!
2. After cleaning around all connections thoroughly, Dis-connect all connections, Lines,
Hoses, Wiring and Remove the Pump Completely from the Tractor. Plug all hoses and
Lines on Tractor and on Pump, DO NOT leave any open Lines. NO Contamination
Should be allowed into system at all.
3. Clean Area, Clean all Tools, Pans etc. The cleaning of Area and Tools MUST be done
before moving (Cleaned) Pump there. Drain Oil from Pump, Recheck outside of
Pump to Make Sure it is Clean
4. After dis-assembly of Pump wash all metal components in clean solvent.
5. Use compressed Air to dry parts after washing (Compressed air must be filtered and
moisture free). DO NOT wipe them dry with Paper Towels or Cloth as these will leave
lint and/or dust contamination. DO NOT USE Compressed Air to spin any component
(Such as Bearings or Plates) as this will damage them and could be dangerous.
6. Always use new Seals when re-assembling Hydraulic Pumps, Lubricate the new
rubber Seals with a Petroleum Jelly, (Vaseline) before installing them.
7. DO NOT reinstall worn or damaged Parts back in Pump, DO NOT Use a worn or
damaged Pump Housing.
8. Torque all Bolts over Gasketed Joints. Then repeat the Torque sequence to make
sure Bolts are tight, some times Gaskets can give a Torque reading that is OK but is
not, so always re-check Torque.
9. Verifying the accuracy of Pump Repairs on an authorized test stand is essential.
REQUIRED TOOLS:
1. Hex Allen Wrench (Qty 5) (9/16", 5/32", 5/16", 3/32", 5/64"
2. Retaining Ring Pliers (Qty 3), 1 each of Internal (Straight .070 tip) internal (Straight .090
tip) & 1 each External (Straight 0.90 tip)
3. Retaining E-Ring Applicator (Qty 2), 1 each 9/32" & 1 each 1/2".
4. O-Ring Pick (Qty 1)
5. End Wrench (Qty 4), 1 each of 7/16", 9/16", 3/4", 1"
6. Torque Wrench (Qty 1), 0 to 100 ft. lbs. (135.6 nm) capacity
7. Hammer, Soft Face (Qty 1)
8. Seal Driver Set (Qty 1)
9. Arbor Press (Qty 1)
10. Sockets (Qty 3) 7/16", 9/16", 3/4" (Drive Size should match Torque Wrench Drive)
11. Light Petroleum Jelly (Vaseline)
12 Locktite, # 222 and #277 or equivalent (Qty 1 tube each)
.
Machete (Service Manual) 04/04
© 2004 Alamo Group Inc.
PUMP - GENERAL
Service Rules (READ THIS)
62